Page 380 of 492
3807-3. Do-it-yourself maintenance
YARIS_HV_EE_OM52F30E
Remove the light bulb.
Install the new bulb.
Install the cover.
Insert a properly sized screw-
driver into one of the holes,
push the screwdriver until click-
ing sound is heard. Repeat for
the other hole.
Make sure that the cover is
secured by pressing on the
entire cover.
2
3
4
5
Page 381 of 492
3817-3. Do-it-yourself maintenance
7
Maintenance and care
YARIS_HV_EE_OM52F30E
■Back-up light/rear fog light
Remove the clip and partly
remove the cover.
Pull the center section of the clip
and the remove and pull out the
lock.
Turn the bulb base counter-
clockwise.
Remove the light bulb.
After installing the new bulb,
reinstall the clip.
When installing the clip, insert
the clip in and push the center of
the clip.
1
2
3
4
Page 382 of 492

3827-3. Do-it-yourself maintenance
YARIS_HV_EE_OM52F30E
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
● Front position lights and daytime running lights (LED type)
● Stop/tail lights (LED type)
● High mounted stoplight
■LED Lights
The front position lights and daytime running lights (LED type), stop/tail lights
(LED type) and high mounted stoplight consists of a number of LEDs. If any
of the LEDs burn out, take your vehicle to any authorized Toyota dealer or
repairer, or another duly qualified and equipped professional to have the light
replaced.
If one or more LEDs in a stop light burn out, your vehicle may not conform to
local laws (ECE).
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction. Contact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional for more information in the
following situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the headlight.
■ When replacing light bulbs
→ P. 368
Page 383 of 492
3837-3. Do-it-yourself maintenance
7
Maintenance and care
YARIS_HV_EE_OM52F30E
WARNING
■ Replacing light bulbs
● Turn off the lights. Do not attempt to replace the bulb immediately after
turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the headlight unit. This
may damage the headlights or cause condensation to build up on the lens.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.
Page 385 of 492

385
8When trouble arises
YARIS_HV_EE_OM52F30E
8-1. Essential information
Emergency flashers ........... 386
If your vehicle has to
be stopped in
an emergency .................. 387
8-2. Steps to take in
an emergency
If your vehicle needs to
be towed .......................... 389
If you think something is
wrong ............................... 395
If a warning light turns on
or a warning buzzer
sounds ............................. 396
If you have a flat tire
(vehicles with
a spare tire) ..................... 407
If you have a flat tire
(vehicles with
an emergency tire
puncture repair kit)........... 422
If the hybrid system will
not start............................ 438
If the shift lever cannot be
shifted from P .................. 440
If the electronic key does
not operate properly
(vehicles with a smart
entry & start system)........ 441
If the vehicle 12-volt
battery is discharged ....... 443
If your vehicle overheats .... 448
If the vehicle becomes
stuck ................................ 453
Page 386 of 492
3868-1. Essential information
YARIS_HV_EE_OM52F30E
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■ Emergency flashers
If the emergency flashers are used for a long time while the hybrid system is
not operating (while the “READY” indicato r is not illuminated), the 12-volt bat-
tery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road to a breakdown, etc.
Page 395 of 492

3958-2. Steps to take in an emergency
8
When trouble arises
YARIS_HV_EE_OM52F30E
If you think something is wrong
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal)
● Flat-looking tires or uneven tire wear
● High engine coolant temperature warning light flashes or comes on
● Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the hybrid system
● Engine misfire, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, spongy feeling, pedal almost touches
the floor
If you notice any of the following symptoms, your vehicle proba-
bly needs adjustment or repair. Contact any authorized Toyota
dealer or repairer, or another duly qualified and equipped pro-
fessional as soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms
Page 396 of 492

3968-2. Steps to take in an emergency
YARIS_HV_EE_OM52F30E
If a war ning light tur ns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(Red)
Brake system warning light (warning buzzer)*1
• Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
→ Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Continuing to drive the vehicle may be dangerous.
Charging system warning light
Indicates a malfunction in the vehicle’s charging system.
→ Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
Low engine oil pressure warning light
Indicates that the engine oil pressure is too low.
→ Immediately stop the vehicle in a safe place and con-
tact any authorized Toyota dealer or repairer, or
another duly qualified and equipped professional.
(Red warning light flashers or comes on)
High engine coolant temperature warning light
Indicates that the engine is overheating.
As the coolant temperature rises, it changes from flashing
to steady on.
→ P. 448